<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 标题 LOGO -->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="" />
        </h3>
      </div>
      <!-- 用户名 -->
      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon name="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="用户名"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
      <!-- 密码 -->
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon name="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :name="passwordType === 'password' ? 'eye-off' : 'eye-on'"
          />
        </span>
      </el-form-item>
      <!-- 提交按钮 -->
      <el-button
        class="loginBtn"
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >
        登录
      </el-button>
      <!-- 提示信息 -->
      <div class="tips">
        <span style="margin-right: 20px">账号: 13800000002</span>
        <span>密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>

<script lang="ts">
import { Component, Vue, Watch } from 'vue-property-decorator'
import { Route } from 'vue-router'
import { Dictionary } from 'vue-router/types/router'
import { Form as ElForm, Input } from 'element-ui'
import { UserModule } from '@/store/modules/user'
import { isValidMobile } from '@/utils/validate'
// import { log } from 'node:console'
import { ILoginForm } from '@/model/interface/login'

@Component({ name: 'Login' })
export default class extends Vue {
  // 手机校验函数
  private validateMobile = (
    rule: unknown,
    value: string,
    callback: Function
  ) => {
    if (isValidMobile(value)) return callback()
    callback(new Error('请输入正确手机号'))
  }

  // 密码校验函数
  private validatePassword = (
    rule: unknown,
    value: string,
    callback: Function
  ) => {
    if (value.length >= 6) return callback()
    callback(new Error('密码不能少于六位'))
  }

  // 表单数据
  private loginForm: ILoginForm = {
    mobile: '13800000002',
    password: '123456'
  }

  // 表单校验规则
  private loginRules = {
    mobile: [{ validator: this.validateMobile, trigger: 'blur' }],
    password: [{ validator: this.validatePassword, trigger: 'blur' }]
  }

  private passwordType = 'password'
  private loading = false
  private showDialog = false
  private capsTooltip = false
  private redirect?: string
  private otherQuery: Dictionary<string> = {}

  // 监听上级页面
  @Watch('$route', { immediate: true })
  private onRouteChange(route: Route) {
    // TODO: vue-router@v4 后移除 "as Dictionary<string>" remove the "as Dictionary<string>" hack after v4 release for vue-router
    // See https://github.com/vuejs/vue-router/pull/2050 for details
    const query = route.query as Dictionary<string>
    if (query) {
      this.redirect = query.redirect
      this.otherQuery = this.getOtherQuery(query)
    }
  }

  private getOtherQuery(query: Dictionary<string>) {
    return Object.keys(query).reduce((acc, cur) => {
      if (cur !== 'redirect') {
        acc[cur] = query[cur]
      }
      return acc
    }, {} as Dictionary<string>)
  }

  mounted() {
    // 聚焦
    if (this.loginForm.mobile === '') {
      (this.$refs.mobile as Input).focus()
    } else if (this.loginForm.password === '') {
      (this.$refs.password as Input).focus()
    }
  }

  // 显示密码
  private showPwd() {
    if (this.passwordType === 'password') this.passwordType = ''
    else this.passwordType = 'password'
    this.$nextTick(() => (this.$refs.password as Input).focus())
  }

  // 登录
  async handleLogin() {
    try {
      // ele 表单校验格式
      await (this.$refs.loginForm as ElForm).validate()
      this.loading = true
      // 校验账号密码
      await UserModule.login(this.loginForm)
      // 跳转
      this.$message.success('登陆成功！')
      this.$router.push({ path: this.redirect || '/' })
    } catch (e) {
      console.log(e)
    }
    // 停止加载态
    this.loading = false
  }

  /* // 检查大写锁定
    private checkCapslock(e: KeyboardEvent) {
      const { key } = e
      this.capsTooltip =
        key !== null && key.length === 1 && key >= 'A' && key <= 'Z'
    } */

  /* // 其他登录方式
  private getOtherQuery(query: Dictionary<string>) {
    return Object.keys(query).reduce((acc, cur) => {
      if (cur !== 'redirect') {
        acc[cur] = query[cur]
      }
      return acc
    }, {} as Dictionary<string>)
  } */
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;
$light_gray: #68b0fe; // 将输入框颜色改成蓝色

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background-image: url('~@/assets/common/login.jpg'); // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    .loginBtn {
      background: #407ffe;
      height: 64px;
      line-height: 32px;
      font-size: 24px;
    }

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        transition-delay: 99999s;
        transition: color 99999s ease-out, background-color 99999s ease-out;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
  .el-form-item__error {
    color: #dd6161;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
